baber/WOPTO huggingface dataset:
Patent GB-831657-A (GB)
Title: Improvements in motor road vehicles
Inventor: HARPER HARRY
IPC: B60G15/06
Filed: 1956-10-17
Abstract: 831,657. Road vehicle spring suspensions. T. G. B. MOTORS Ltd. Oct. 9, 1957 [Oct. 17, 1956], No. 31608/56. Class 108(2) A vehicle axle is mounted on an arm 12 which is pivotally connected to a bracket 7 rigid with the vehicle frame and bears on a suspension spring 15. Limit stops 21, 22, and a separate shock absorber 5, are provided. As shown in Fig. 1, the carrier 7 is bolted to an extension chassis frame 2 attached to the vehicle chassis 1. The shock absorber 5 may be disposed within the spring 15. The latter may be an air spring. The arm 12 may be replaced by a parallel linkage.
Patent GB-1352439-A (GB)
Title: Production of synthetic papers
IPC: C08J7/046
Filed: 1971-07-06
Abstract: 1352439 Polypropylene laminate OJI YUKA GOSEISHI KENKYUJO KK 6 July 1971 [6 July 1970 21 Aug 1970 (2)] 31656/71 Heading B5N A process for producing a synthetic paper comprising a base layer and a paper-like layer in laminated combination comprises preparing a film of a thermoplastic resin uniaxially stretched in the longitudinal direction to constitute the base layer, the resin being essentially a mixture of an isotactic polypropylene resin and an additive which is a polymeric plasticizer and/or fine filler, which fine filler is present in an amount of from 0À2 to 8% by volume and has an average particle size of from 0À5 to 5 microns, laminating on to at least one surface of the film a second isotactic polypropylene resin containing from 0À2 to 30% by volume of a fine filler having an average particle size of from 0À5 to 30 microns blended therewith, thereby to form a composite structure, wherein the second polypropylene resin constitutes the paper-like layer; the fine filler content of the paper-like layer is greater than that of the base layer when the additive of the base layer is solely a fine filler; heat stretching the composite structure in a transverse direction perpendicular to the longitudinal direction; and cooling the structure substantially as it is maintained in its stretched state. In a preferred embodiment, the base layer is formed of a sheet composed essentially of a mixture of a first isotactic resin and a polymeric plasticizer and which has a molecular orientation in the longitudinal direction prior to stretching. The isotactic polypropylene may be a homopolymer or a copolymer of propylene with not more than 10% by weight of a comonomer, e.g. ethylene, butene-1, vinyl chloride, styrene or an acrylic acid ester. The polymeric plasticizer may be a high density homo- or co-polymer of ethylene, a low density polyethylene, a copolymer of ethylene with propylene, a vinyl ester, e.g. vinyl acetate or vinyl chloride, a homo- or copolymer of styrene or a substituted styrene, specified comonomers being acrylonitrile or a methacrylic acid ester, polyvinylchloride, a vinyl chloridevinylidene chloride copolymer and atactic polypropylene. The fine filler may be a powdered resin, clay, talc, asbestos, gypsum, barium sulphate, calcium carbonate, magnesium carbonate, titanium oxide, zinc oxide, magnesium oxide, diatomaceous earth, silicate or a mixture thereof. The paper-like layer may be bonded to the base layer by calendering or by melt-extrusion. In a preferred embodiment, an anchor coat is deposited on the base film prior to lamination.
Patent GB-1171198-A (GB)
Title: Support Frame Assembly for Connector Systems
IPC: H01R12/77
Filed: 1967-07-11
Abstract: 1,171,198. Two-part couplings. THOMAS & BETTS CORP. 11 July, 1967 [29 Aug., 1966], No. 31846/67. Heading H2E. The end portion of a multiconductor flat cable is supported on a frame and its conductors are electrically connected to the pins or sockets of a multiple pin or socket connector mounted on the frame. As shown, cables 14, 16 are held to frame 10 by fingers 24, 28 pressing them against transverse members (26), (30) (Fig. 2, not shown), and the cables are further gripped between fingers 32 and bar 34 to provide strain relief. Frame 10 may be of moulded plastics material. Multiple socket connector 12 is secured, e.g. by riveting to the end of the frame and member 22 provides rigidity to the assembly. As shown, member 22 may also separate and insulate the ends of cables 14 and 16. Sockets 20 in the connector are staggered in upper and lower rows and have extending portions 40 which are soldered to the ends of conductors 18 of the cables. The frame has rails 38 for slotting it into a holder (Fig. 10, not shown), whereby the cables are connected to, e.g., a computer, and handles 36 for removing it. Resistors, diodes or the like may be mounted on the cable supported by the frame (Fig. 9, not shown). The arrangement permits circulation of air around the cable.
Patent GB-396973-A (GB)
Title: Improvements in and connected with the crowning of teeth
IPC: A61C13/00
Filed: 1932-11-10
Abstract: 396,973. Tooth crowns. POS, J., 22, Monckebergstrasse, Hamburg, Germany. Nov. 10, 1932, No. 31849. Convention date, June 10. [Class 81 (ii).] Step-shaped root pins for securing crowns to tooth roots comprise pin shafts 1 fitted with interchangeable separately movable sleeves 4<1> forming the steps. The sleeves may be in screwthreaded engagement with the pin shaft, or may be in frictional engagement with a smooth or roughened shaft. After adjustment the sleeves are secured by solder, and for this purpose the sleeves may be perforated. That part of the pin which projects within the tooth root beyond the step-forming sleeve or sleeves may be cylindrical or conical and thinner or thicker than the part receiving the sleeves. The outermost sleeve 4<1> may be provided with a collar 8 which may have projections entering recesses in the tooth face to prevent rotation. A root cap 7, Fig. 2, may be drawn by a nut against the collar 8 and soldered in position. For teeth with more than one root a collar 8 may be in the form of a plate bored to receive each of the root pins. Interchangeable and movable step parts may be applied to the pins externally to the tooth roots for connection to the crowns. Reference has been directed by the Comptroller to Specifications 5360/85, [Class 81, Medicine &c.], and 111,639, [Class 81 (ii), Medical &c. appliances].
Patent GB-648172-A (GB)
Title: Improvements in or relating to speed changing devices
IPC: F16H3/66
Filed: 1948-12-09
Abstract: 648,172. Change-speed gearing. PUGLIESE, P. R. Dec. 9, 1948, No. 31930. [Class 80(ii)] Three-speed epicyclic gearing comprises a crown gear 1 meshing with a bevel gear 2 on the driving shaft A and carrying two radial shafts on which are rotatably mounted bevel pinions 3, 4, 5 meshing with reaction crown gears 6, 7, 8 and with crown gears 12, 13, 14 which in turn mesh with bevel gears 15, 16, 17 fast on an output shaft B which may be connected to the final driven shaft C through reversing gearing 18. The various gears are brought in by selectively braking drums 9, 10, 11 secured to the gears 12, 13, 14.
Patent GB-1438669-A (GB)
Title: Die sets
IPC: B30B15/04
Filed: 1973-07-04
Abstract: 1438669 Sub-press mechanisms US AMADA Ltd 4 July 1973 [10 July 1972 6 Nov 1972] 31937/73 Heading B3W A die set for punching holes in profiled structural members which have legs at right angles to each other comprises a C frame 10 having a punch 32 extending downwardly from an upper arm 11 sufficiently to allow one leg of the member W to be punched while another, or the other, leg extends upwardly on the side of the punch nearest the back of the C frame. The member W can be moved from this, broken line position, Fig. 1, to the full line position for punching the other leg by sliding it out of the frame 10, pivoting it clockwise and sliding it back under the punch. A punch guide 30 with a width "t" in the longitudinal direction of the C frame is over twice as wide transversely of the frame, to accommodate lifter springs (39) and stripper springs (44) Fig. 2 (not shown). In an embodiment for T-sections or the central lines of H-sections, Fig. 3 (not shown) the die is mounted on a pillar of the same dimension "t" in the longitudinal direction of the C frame as the punch guide.
Patent GB-282726-A (GB)
Title: Improvements in and relating to air cleaners
IPC: F02M35/022
Filed: 1927-11-28
Abstract: 282,726. A.C. Spark Plug Co., (Assignees of Kamrath, H. G.). Dec. 29, 1926, [Convention date]. Density separators. - Apparatus for cleaning gases has an annular inlet with vanes 6 arranged round the clean gas outlet 8 at one end of a cylindrical casing 2 with a dust port 12. The inlet vanes 6 are stamped out of the end plate; they are pressed back and shaped to give the gas a whirling motion and to direct it outwardly towards the wall of the casing. The vanes are pressed back from the metal annulus and slope rearwardly and outwardly so that the angle of inclination of the vane increases from the inner end to the outer end. The inner end of the vane may be offset from the annulus. A gas straightener 10 is arranged in the outlet 8. The apparatus may be attached to the air inlet of a carburettor.
Patent GB-154894-A (GB)
Title: Improvements in hydraulic turbine systems
IPC: F03B13/08
Filed: 1920-11-12
Abstract: 154,894. Taylor, H. B. Dec. 4, 1919, [Convention date]. Working-fluid supply.-Relates to means for enabling an hydraulic turbine to work under lowpressure head conditions with a high velocity of flow without endangering the continuity of the water column. To this end the turbine wheel 13 supplied from the head water 9 is arranged at or below the level of the tail-water 10, and a discharge tube is provided between the wheel and the tail-water adapted to reduce the back pressure to just enough to maintain the continuity of flow. In a modification, Fig. 4, the water flowing through the turbine 13<1> from the intake 18<1> is discharged upwardly above the turbine into a spreading discharge tube 20<11>, and the inlet and outlet pipes 16<1> 20<11> are carried like siphons above the levels 9, 10. A similar siphon arrangement may be used with the discharge tube 20, Fig. 1.
Patent GB-1002110-A (GB)
Title: Twin roller crushing mill
Inventor: WALTERFANG STEFAN
IPC: B02C15/04
Filed: 1964-08-06
Abstract: 1,002,110. Edge-runner mills. POLYSIUS G.m.b.H. Aug. 6, 1964, No. 32079/64. Heading B2A.  An edge-runner mill comprises two pairs of grinding rollers 2, 3, Figs. 1 and 2, adapted to roll on a drivable grinding plate 1, each pair of rollers 2, 3 being mounted for rotation about an axle 4 and about an axle 10 of a carrier 5, the ends of the axle 10 being journalled in a rockable holder 7 comprising two angle levers 8, 8<SP>1</SP> the upper ends of which are acted on by springs 9. In the form shown, the axles 4, 10 are in the same plane. In a modification, the axles 4, 10 are in different planes. In another modification, Fig. 5, pressure is applied to the rollers 2, 3 by means of a bridge 11  through springs 9<SP>1</SP>.
Patent GB-263190-A (GB)
Title: Improvements in or relating to leather working machines
IPC: C14B17/04
Filed: 1926-12-18
Abstract: 263,190. Maschinenfabrik Turner Akt.-Ges. Dec. 18, 1925, [Convention date]. Rotating-tool machines. - Two feed rolls 20, 22 which co-operate with a rubber - covered roll 18 to feed hides. leather &c. to a rotary operating tool 12 are formed with helical ribs in two sets having opposite inclinations so that one roll tends to stretch and the other to contract the work. The tool 12 has blades arranged so that its effect on the work is opposite to that of the roll 22. Specification 228,353 is referred to.
Patent GB-213209-A (GB)
Title: Improvements in devices for regulating the secondary air supply to internal-combustion engines
IPC: F02D9/00
Filed: 1923-12-22
Abstract: 213,209. Richling, E. Dec. 22, 1923. Induction pipes, fittings for.-An extra air inlet device comprises a casing 6, 7 provided with an inlet 3 and an outlet 5 leading to the induction pipe and containing a spring-loaded suctionactuated valve 17 and a second spring- loaded suction-actuated valve 11, normally open, but adapted to close the passage 19 around the valve 17 at execssive suctions. The inlet 3 is controlled by a manually-operated plug 25 provided with a passage 27, 26 adapted to communicate either with an air inlet 24, or with a passage 23 through which fuel may be introduced for starting. The casing is provided also with a second air inlet 4 arranged below the valves and controlled by a plug 33 through which air for braking may be supplied.
Patent GB-443611-A (GB)
Title: Method of obtaining photographic contrasts and sensitive layers therefor
IPC: G03C1/62
Filed: 1934-11-09
Abstract: 443,611. Photographic diazotype processes. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN, Emmasingel, Eindhoven, Holland. Nov. 9, 1934, No. 32298. Convention date, Jan. 19. [Class 98 (ii)] In a layer developable by water or water vapour only, the diazonium compound and the azo coupling component or a compound capable of oxidation by the diazo body to form a coloured substance are applied to a carrier and the prepared layer is maintained at a degree of dryness sufficient to prevent the formation of dye, up to the moment of exposure. One or both of the dyestuff components may be applied in the form of powder. The coupling component may also be furnished by partial decomposition of the diazo compound by a preliminary exposure to light. If necessary, alkali, in solution or as a powder, may be applied to the layer. The degree of dryness varies with the nature of the compounds used. In examples : (1) paper is coated with a solution of the zinc chloride double salt of p-diphenylaminodiazonium chloride, dried and rubbed with a powder consisting of R-salt and anhydrous soda or phloroglucin and sodium bicarbonate; (2) paper bearing the diazo compound under (1) above is rubbed with a powder of phloroglucion or Schõffer's acid, or the latter may be applied in alcoholic solution; (3) paper treated with 1-diazonium-2-hydroxynaphthalene-4-sulphonic acid and a powder of resorcin and anhydrous soda is applied ; (4) paper with a diazonium compound as under (1) above is rubbed with a powder of alpha naphthol ; (5) paper is coated with alpha-naphthol, dried, and a powder of the diazo compound under (1) above applied; (6) paper is rubbed with a powder of the zinc chloride double salt of p-diphenylamine diazonium chloride and phloroglucinol ; (7) paper is treated with 2-diazonium- 1-hydroxybenzene-4-sulphonic acid and copper nitrate, dried and exposed to uniform light. It is then exposed under a tracing ; (8) paper is coated with 2-diazonium-1-hydroxy-5-methylbenzene-4-sulphonic acid and copper nitrate and treated as under (7) above ; (9) paper is prepared with the composition under (7) above, exposed to uniform light, rubbed with a powder of 2-diazonium-1-hydroxy-5-methylbenzene-4-sulphonic acid and exposed behind a tracing ; (10) paper is soaked in a solution of alpha-naphthalene diazonium chloride, exposed to uniform light, covered with a powder of p - diphenylaminodiazonium chloride and exposed under a tracing. The development is in all cases by the use of water vapour. Specification 391,052 is referred to.
Patent GB-137057-A (GB)
Title: Improvements in engine-starters
IPC: F02N15/02
Filed: 1919-12-24
Abstract: 137,057. Bendix, V. Dec. 19, 1917, [Convention date]. Turning-gear.-An electric or like starter comprises a motor-driven screw shaft 3 and a driving- member consisting of a sleeve 12 threaded on the shaft 3 for rotary and longitudinal movement and a pinion 14 slidably keyed on the sleeve 12. In the form shown in Fig. 1, the shaft 3 is a sleeve driven from the motor shaft 1 through a multipledisk friction clutch 4. The sleeve 12 carries a weighted disk 13 for ensuring its longitudinal movement when the shaft 3 rotates, and the pinion 14 is normally held against a shoulder 12<a> on the sleeve 12 by a spring 16, which yields if the teeth of the pinion meet those of the engine fly-wheel 17. In a modification, the shaft 3 is driven from the motor shaft through a coiled spring. The Specification as open to public inspection under Sect. 91 (3) (a) of the Act contains a reference to Specification 20811/14. This reference does not appear in the Specifications as accepted.
Patent GB-785159-A (GB)
Title: Method of preparation of mouldable copolymers of styrene and acrylonitrile
Inventor: JONES CLIFFORD
IPC: C08F220/44
Filed: 1955-11-11
Abstract: Thermoplastic copolymers are prepared by heating at a temperature between 130 DEG  and 175 DEG  C. a homogeneous liquid mixture comprising a polymerizable composition consisting of 20 to 35 per cent of acrylonitrile, 80 to 35 per cent styrene and 0 to 30 per cent alpha-methyl styrene and a polymerization modifier amounting to 10 to 40 per cent of the reaction mixture consisting of benzene, an alkyl benzene, or a nuclear derivative thereof, continuing heating until the reaction mixture contains not more than 70 per cent of copolymer and separating from the resulting mixture a copolymer having a viscosity of from 6 to 40 c.p. when measured as a 10 per cent solution in butanone at 25 DEG  C. Substituted benzenes specified are toluene, xylenes, polymethylbenzenes, ethylbenzene, ethyltoluenes, ethylxylenes, diethylbenzenes, diethyltoluenes, polyethylbenzenes, isopropylbenzene, isopropyltoluenes, isopropylxylenes, isopropylethylbenzenes, isopropyldiethylbenzenes, diisopropylbenzenes, diisopropyltoluenes, polyisopropylbenzenes, chlorobenzene, di-, tri-, and polychlorobenzenes, nuclear mono-, di-, tri-and poly-chlorotoluenes, and nuclear mono- and polychlorinated ethylbenzenes.  Polymerization may be carried out in a batch, semicontinuous or continuous manner and is preferably conducted in the absence of a catalyst, although an organic peroxygen compound may be present if desired.
Patent GB-1512972-A (GB)
Title: Radiationsensitive prepolymers and their use for the production of relief structures
IPC: G03F7/038
Filed: 1975-08-01
Abstract: 1512972 Relief images produced from radiation-sensitive polymer SIEMENS AG 1 Aug 1975 [2 Aug 1974] 32363/75 [Addition to 1467226 Heading G2C [Also in Division C3]  A method of producing a relief image comprises imagewise exposing and dissolving out or stripping the non-exposed parts from a material comprising an organic solvent soluble, radiation-sensitive prepolymer which is a polyaddition or polycondensation product of (1) at least one polyfunctional carbocyclic compound and/or heterocyclic compound containing (a) at least 2 groups R capable of undergoing an addition or condensation reaction and (b) at least one organic radiation reactive group COOR*, the or each group R* having the Formula:- where R 1  is alkylene or aralkylene; R2 is H, Cl or CH3; and R3 is H, and the or each COOR* group being in the ortho-or peri-position with respect to the group R, and (2) at least one polyfunctional carbocyclic compound and/or heterocyclic compound containing at least 2 groups capable of undergoing an addition or condensation reaction with the groups R. In Example 1 the prepolymer is prepared from N-[m(#-hydroxyethoxy) phenyl) maleic imide, pyromellitic acid dianhydride, thionyl chloride and 4,4'-diamino-diphenyl ether. In Example 2 the prepolymer is prepared from N- hydroxymethyl maleic imide, pyromellitic acid dianhydride, thionyl chloride and 4,4 -diaminodiphenyl methane. The images produced in the Examples are tempered for 20 minutes at 300‹C.
Patent GB-620779-A (GB)
Title: Improvements in electrical switches having wiping contacts
IPC: H01H1/20
Filed: 1946-10-31
Abstract: 620,779. Switch contacts. BRITISH INSULATED CALLENDER'S CABLES, Ltd., SWEETLAND. A. G.. and TYLER, L. H. G. Oct. 31, 1946, No. 32392. [Class 38(v)] A rectilinearly moving, spring biased, contact-carrier 3 is adapted to bridge spring-loaded plunger' contacts 2, inclined inwardly or outwardly at an angle less than 90 degrees to the path of the contactbridges whereby limited wiping of contact surfaces 1, 2 takes place after engagement. The contact members slide in passages in an insulating block 10 formed with ribs 28 to prevent the carrier 3 from rotating. The fixed contact surface may be plane and the movable surfaces part-spherical or cylindrical. The spindle carries an operating bush 19 and limit-stop 21. By making the carrier 3 of insulating material, a two-pole switch can be obtained.
Patent GB-1353095-A (GB)
Title: Spiramycin antibiotics
IPC: C07G/
Filed: 1971-07-09
Abstract: 1353095 Hydrazones of spiramycin KYOWA HAKKO KOGYO KK 9 July 1971 [9 July 1970] 32401/71 Heading C2A The invention comprises spiramycin hydrazones of the general Formula I: wherein R 4  and R 5  may be the same or different and each represents a hydrogen atom, an alkyl group having from 1 to 5 carbon atoms, which may be substituted by a hydroxyl group, an alkenyl group with 2 or 3 carbon atoms, a cyclohexyl group or a phenyl group or R 4  and R 5  together with the adjacent nitrogen atom represent a saturated six-membered heterocyclic ring which may be substituted by a methyl group, with the proviso that when R 4  is hydrogen, R 5  is other than hydrogen or phenyl, R 1  is hydrogen or alkanoyl, R 2  and R 3  may be the same or different and may be H or acyl and esters and addition salts thereof. The invention also comprises a process for the preparation of such hydrazones in which a hydrazone of Formula III: or an ester or acid addition salt thereof is reacted with a compound of Formula IV: or an acid addition salt thereof. The reaction may be carried out in a solvent such as an aliphatic or alicyclic alcohol having 1 to 10 carbon atoms or an aromatic alcohol such as benzyl alcohol. The preferred reaction temperature is between 0‹ C. and the boiling-point of the reaction mixture.
Patent GB-811622-A (GB)
Title: A metal extrusion press
IPC: B21C35/06
Filed: 1957-10-17
Abstract: 811,622. Extruding. BALDWIN-LIMAHAMILTON CORPORATION. Oct. 17, 1957 [Oct. 18, 1956], No. 32446/57. Class 83 (4). A metal-extrusion press has a die carrier 14 movable across the face of a platen 12 to move the extrusion die 18 into and out of its extrusion position and a die-changing mechanism 50 is disposed adjacent the carrier to remove the die therefrom. The die is retained against,a backing plate 27a in a slot 23 of the carrier 14 by a retainer 24 which may alternatively be integral with the carrier. After extrusion the billet container 10 is retracted by a hydraulic cylinder or cylinders and the extruded product severed from the discard by a saw. The carrier is then moved to the right by a hydraulic motor 16 or alternatively by a solenoid to place the die 18 adjacent a pivoted arm 73 which is raised by a compressed-air motor 74, 75 to lift the die out of its slot 23 and deposit it on an inclined plate 62, 59 where it rolls against a soft copper stop 102. Meanwhile the discard is ejected from the container into an inclined slot 25 of the carrier from which it is ejected by a pair of compressed-air operated plungers 30, Fig. 5 (not shown). Alternatively the discard may be pressed through the openings 20, 21 in the platen in which case removable retainer rods 26 are placed in slot 25. A number of dies 18 may be held in the changer 50 where they are inspected and lubricated by swabbing or spraying through a window 64, Fig. 2 (not shown). If a die is defective a platform 92 pivoted at 81 is raised slightly by an air motor 95, 96 into alignment with a discard platform 103 and a sliding door 108 is opened for removal of the die. For returning a die to the carrier, the platform 92 is raised to the level of an upper shoot 63 and thus lowers a platform 88 also pivoted at 81. The die falls along shoot 63 and platform 88 into the carrier slot 23, Fig. 9 (not shown). Hot billets of copper, copper alloys, including brass, aluminium or aluminium alloys may be first upset within the container in which case a solid obturating disc 51, Fig. 2 (not shown), is fed into the carrier slot 27 and used instead of the die. When extruding tubes the billets are then pierced by a mandrel. The carrier 14 may be in the form of a turret. Specification 549,880 is referred to.